watchOS 5.3.5 (16U652) for Apple Watch Series 1 (38mm) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date February 18, 2020 Upload Date February 11, 2020 Filename 9e740800f9ee872e92b11ba48a90f457b4d1a4a4.zip Filesize 1.3 GiB Identifier Watch2,6
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